[Imports] Polygon relationificator

Andre Grueneberg andre-osm at grueneberg.de
Mon Sep 14 20:34:48 BST 2009


Iván Sánchez Ortega wrote:
> I'm all for an unix-like approach: lots of small specialised tools, that work 
> together in order to do an import. Right now we got conversors, filters, 
> uploaders and whatnot.
> But one thing I'm missing is a "polygon relationificator". Let me explain.

Well, I've done something similar lately. Although some of the logic is
integrated into a wider set of tools.
You might want to have a look at http://andre.grueneberg.de/osm/ ...
you'll find make_rel.pl, remove_duplicates.pl and e.g. generate_osm.sh
(to see an example how to call it).

Those tools currently make some assumptions about the input format ...
they are far from being cleaned up.

> Let's suppose I've got a shapefile/GML/spatialite file full of polygons; and 
> such polygons do not overlap each other, and are adjacent to each other to 
> cover a large area. Think land use and administrative areas.

Yes ... that's exactly the thing, I wrote it for. For a dataset of
multiple levels of administrative boundaries.

Andre
-- 
Even if you understood women - you'd never believe it!
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